Average annual temperature is 9.1 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -32.9 °C
Number of sunny days: 218 days
Number of rainy days: 112 days
Number of snow days: 35 days
Look at detailed online map of Saint Clair (historical)
* Weather data for Saint Clair (historical) United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.4 | 9.6 | 12.8 | 24.0 | 29.8 | 30.9 | 37.2 | 37.8 | 32.4 | 26.4 | 16.6 | 16.3 |
| Average daytime temperature (°C) | 3.4 | 3.4 | 4.8 | 12.2 | 21.6 | 23.3 | 30.6 | 30.4 | 24.6 | 14.4 | 10.0 | 7.9 |
| Average temperature (°C) | -1.0 | -1.9 | -1.8 | 5.3 | 14.9 | 16.8 | 22.7 | 22.0 | 16.8 | 7.5 | 4.4 | 2.3 |
| Average night temperature (°C) | -4.0 | -5.9 | -6.0 | -0.2 | 8.6 | 10.8 | 14.2 | 14.9 | 10.4 | 2.9 | 0.3 | -1.5 |
| Absolute minimum temperature (°C) | -27.1 | -32.9 | -12.1 | -11.7 | 3.7 | 5.3 | 8.0 | 11.3 | 5.9 | -14.6 | -7.1 | -6.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.3 | 6.6 | 8.0 | 9.4 | 11.5 | 11.8 | 13.9 | 11.4 | 10.0 | 6.6 | 6.4 | 5.8 |
| Precipitation (mm) | 38 | 28 | 25 | 61 | 65 | 66 | 2 | 19 | 38 | 43 | 14 | 10 |
| Sunny days | 16 | 18 | 14 | 14 | 10 | 12 | 25 | 22 | 20 | 19 | 23 | 25 |
| Rainy days | 7 | 3 | 5 | 11 | 21 | 18 | 6 | 9 | 10 | 9 | 7 | 6 |
| Snow days | 8 | 7 | 12 | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 |
The best time to visit Saint Clair (historical) during the most sunny months:
Months with the longest average daylight duration in Saint Clair (historical):
The largest precipitation sum in Saint Clair (historical) is at